P

Inventor

YAMABAYASHI YOSHIAKI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “YAMABAYASHI YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

4 patents
US5631896AMay 20, 1997

Hitless path switching apparatus and method

NIPPON TELEGRAPH & TELEPHONE71 citations94
US6396601B1May 28, 2002

System for monitoring quality of optical signals having different bit rates

NIPPON TELEGRAPH & TELEPHONE42 citations92
US6587242B1Jul 1, 2003

Optical transmission system

NIPPON TELEGRAPH & TELEPHONE48 citations90
US5574717ANov 12, 1996

Line terminating equipment in SDH networks, using forward error correcting codes

NIPPON TELEGRAPH & TELEPHONE51 citations90

JAPAN AVIATION ELECTRONICS IND LTD

3 patents
US11570893B2Jan 31, 2023

Electrical connection device, method for producing the same, and structure of flexible wiring board

JAPAN AVIATION ELECTRONICS IND LTD0 citations61
US11406014B2Aug 2, 2022

Electrical connection device, method for producing the same, and structure of flexible wiring board

JAPAN AVIATION ELECTRONICS IND LTD0 citations61
US12108526B2Oct 1, 2024

Module and manufacturing method of the same

JAPAN AVIATION ELECTRONICS IND LTD0 citations50

ANRITSU CORP

1 patent
US5995228ANov 30, 1999

Wavelength dispersion measuring apparatus and polarization dispersion measuring apparatus

ANRITSU CORP33 citations92

HARIMA CHEMICALS INC

1 patent
US11186740B2Nov 30, 2021

Inorganic particle dispersion

HARIMA CHEMICALS INC0 citations57